Peter Ludwig was a celebrated entrepreneur and popular social activist in Germany as well as a world-famous collector with thousands of invaluable art works.

彼得·路德维希是德国著名的企业家和受欢迎的社会活动家，也是世界著名的收藏家，拥有数千件无价的艺术品。

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Zhu Xuanxian, 1927 (Zhejiang)---2002 (Chongqing), outstanding traditional Chinese painting artist, woodblock artist, caricaturist and art activist.

朱宣咸（1927--2002），杰出的中国画画家、版画家、漫画家与美术活动家。

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The 83-year-old activist is a trustee of the University of California at Santa Barbara Foundation, the Rubin Museum of Art, and the Creative Vision Foundation.

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